220303011 has 8 divisors (see below), whose sum is σ = 294328000. Its totient is φ = 146573352.

The previous prime is 220303007. The next prime is 220303021. The reversal of 220303011 is 110303022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220303011 - 2² = 220303007 is a prime.

It is a super-2 number, since 2×220303011² = 97066833311332242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220303021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72085 + ... + 75078.

It is an arithmetic number, because the mean of its divisors is an integer number (36791000).

Almost surely, 2^220303011 is an apocalyptic number.

220303011 is a deficient number, since it is larger than the sum of its proper divisors (74024989).

220303011 is a wasteful number, since it uses less digits than its factorization.

220303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147665.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 220303011 is about 14842.6079581723. The cubic root of 220303011 is about 603.9581010876.

Adding to 220303011 its reverse (110303022), we get a palindrome (330606033).

The spelling of 220303011 in words is "two hundred twenty million, three hundred three thousand, eleven".